Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
EGR Valve: Testing and Inspection
EGR Control Valve Testing:
1.
Run engine at idle.
2.
Connect
vacuum pump to valve and apply vacuum of
1.6 - 3.5 in Hg (40 - 90 mm Hg).3.
Verify that engine runs rough or stalls. If not as specified, replace valve if no other problems (such as clogged passages) are detected.
